[Solved] In correlation, which of the following tells us that we have a perfect positive relationship

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Q.	In correlation, which of the following tells us that we have a perfect positive relationship
A.	r = +1
B.	all the points on the scatter diagram would fall on a straight line and the slope would be from bottom left to top right of the plot
C.	the dots on the scatter diagram would fall in a straight line from top left-hand corner down to bottom right hand corner
D.	both a and b
Answer» D. both a and b

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Quantitative Methods for Economic Analysis 1

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